5th September 1921
Crown Prince Hirohito (left) returns to Japan after his tour of Europe. The tour was the first foreign trip of a Japanese Crown Prince.
Ship Losses:
Clarrie (United Kingdom) The cargo ship was wrecked at the entrance to St. Sampson's, on the Roustel Rock, Guernsey, Channel Islands inward from Newhaven, Sussex in ballast and sank. All seven crew were rescued.
Santa Teresa (Italy) The cargo ship struck a mine in the Black Sea 40 nautical miles (74 km) from the entrance to the Bosphorus and sank. The crew were rescued.